What is "dateable"

Usage examples of "dateable".

Since we had even found a tiny, precious sliver of the original post, worn down and disintegrating from a huge structural member to a splinter the size of a cigar, another dateable artifact would have been too much to ask for, in light of the perfect preservation of this most recent trace of Fort Providence.

But there were a couple of pieces of creamware and one tiny bit of porcelain that might be dateable by its decoration.

And nearly a third were single and in an age bracket that would deem them dateable, if not marriageable.